Dec 14 06:58:23.535 INFO testing PhdTrollSlayer/CrabChain against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 06:58:23.535 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:58:23.954 INFO [stdout] a1ffbfe1eb15fcf1128080ebbd6f5ea6042e38133e5b30d106e11fede3abe5d3
Dec 14 06:58:23.956 INFO running `"docker" "start" "-a" "a1ffbfe1eb15fcf1128080ebbd6f5ea6042e38133e5b30d106e11fede3abe5d3"`
Dec 14 06:58:24.850 INFO [stderr] usermod: no changes
Dec 14 06:58:25.047 INFO [stderr]    Compiling cc v1.0.14
Dec 14 06:58:25.047 INFO [stderr]    Compiling openssl v0.10.6
Dec 14 06:58:25.047 INFO [stderr]    Compiling csv v1.0.0
Dec 14 06:58:29.436 INFO [stderr]    Compiling openssl-sys v0.9.28
Dec 14 06:58:39.103 INFO [stderr]    Compiling blockchain1 v0.1.0 (/source)
Dec 14 06:58:40.023 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 06:58:40.023 INFO [stderr]  --> src/lib.rs:5:1
Dec 14 06:58:40.023 INFO [stderr]   |
Dec 14 06:58:40.023 INFO [stderr] 5 | #[macro_use]
Dec 14 06:58:40.023 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 06:58:40.023 INFO [stderr]   |
Dec 14 06:58:40.023 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:58:40.023 INFO [stderr] 
Dec 14 06:58:40.023 INFO [stderr] warning: unused import: `seek`
Dec 14 06:58:40.023 INFO [stderr]  --> src/mining.rs:1:5
Dec 14 06:58:40.023 INFO [stderr]   |
Dec 14 06:58:40.023 INFO [stderr] 1 | use seek;
Dec 14 06:58:40.023 INFO [stderr]   |     ^^^^
Dec 14 06:58:40.023 INFO [stderr] 
Dec 14 06:58:40.082 INFO [stderr] warning: function is never used: `find_last_block_hash`
Dec 14 06:58:40.083 INFO [stderr]  --> src/seek.rs:4:1
Dec 14 06:58:40.083 INFO [stderr]   |
Dec 14 06:58:40.083 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Dec 14 06:58:40.083 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:58:40.083 INFO [stderr]   |
Dec 14 06:58:40.083 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 06:58:40.083 INFO [stderr] 
Dec 14 06:58:40.083 INFO [stderr] warning: function is never used: `find_last_block_id`
Dec 14 06:58:40.083 INFO [stderr]   --> src/seek.rs:28:1
Dec 14 06:58:40.083 INFO [stderr]    |
Dec 14 06:58:40.083 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Dec 14 06:58:40.083 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:58:40.083 INFO [stderr] 
Dec 14 06:58:40.083 INFO [stderr] warning: function is never used: `last_block`
Dec 14 06:58:40.083 INFO [stderr]  --> src/mining.rs:5:1
Dec 14 06:58:40.084 INFO [stderr]   |
Dec 14 06:58:40.084 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Dec 14 06:58:40.084 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:58:40.084 INFO [stderr] 
Dec 14 06:58:41.002 INFO [stderr] warning: unused import: `openssl::sha`
Dec 14 06:58:41.002 INFO [stderr]  --> src/new_block.rs:2:5
Dec 14 06:58:41.002 INFO [stderr]   |
Dec 14 06:58:41.002 INFO [stderr] 2 | use openssl::sha;
Dec 14 06:58:41.002 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 06:58:41.002 INFO [stderr]   |
Dec 14 06:58:41.002 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:58:41.002 INFO [stderr] 
Dec 14 06:58:41.002 INFO [stderr] warning: unused import: `hex`
Dec 14 06:58:41.003 INFO [stderr]  --> src/new_block.rs:3:5
Dec 14 06:58:41.003 INFO [stderr]   |
Dec 14 06:58:41.003 INFO [stderr] 3 | use hex;
Dec 14 06:58:41.003 INFO [stderr]   |     ^^^
Dec 14 06:58:41.003 INFO [stderr] 
Dec 14 06:58:41.003 INFO [stderr] warning: unused import: `std::error::Error`
Dec 14 06:58:41.003 INFO [stderr]  --> src/validator.rs:1:5
Dec 14 06:58:41.003 INFO [stderr]   |
Dec 14 06:58:41.003 INFO [stderr] 1 | use std::error::Error;
Dec 14 06:58:41.003 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 06:58:41.003 INFO [stderr] 
Dec 14 06:58:41.003 INFO [stderr] warning: unused import: `std::ptr::null`
Dec 14 06:58:41.003 INFO [stderr]  --> src/validator.rs:4:5
Dec 14 06:58:41.003 INFO [stderr]   |
Dec 14 06:58:41.003 INFO [stderr] 4 | use std::ptr::null;
Dec 14 06:58:41.003 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 14 06:58:41.003 INFO [stderr] 
Dec 14 06:58:41.003 INFO [stderr] warning: unused import: `seek`
Dec 14 06:58:41.007 INFO [stderr]  --> src/mining.rs:1:5
Dec 14 06:58:41.007 INFO [stderr]   |
Dec 14 06:58:41.007 INFO [stderr] 1 | use seek;
Dec 14 06:58:41.007 INFO [stderr]   |     ^^^^
Dec 14 06:58:41.007 INFO [stderr] 
Dec 14 06:58:41.119 INFO [stderr] warning: unused variable: `nonce`
Dec 14 06:58:41.119 INFO [stderr]   --> src/new_block.rs:18:17
Dec 14 06:58:41.119 INFO [stderr]    |
Dec 14 06:58:41.119 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 14 06:58:41.119 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Dec 14 06:58:41.119 INFO [stderr]    |
Dec 14 06:58:41.119 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:58:41.119 INFO [stderr] 
Dec 14 06:58:41.119 INFO [stderr] warning: value assigned to `this_record` is never read
Dec 14 06:58:41.119 INFO [stderr]  --> src/validator.rs:9:13
Dec 14 06:58:41.119 INFO [stderr]   |
Dec 14 06:58:41.119 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Dec 14 06:58:41.119 INFO [stderr]   |             ^^^^^^^^^^^
Dec 14 06:58:41.119 INFO [stderr]   |
Dec 14 06:58:41.119 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 14 06:58:41.119 INFO [stderr] 
Dec 14 06:58:41.130 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:58:41.130 INFO [stderr]   --> src/new_block.rs:18:13
Dec 14 06:58:41.130 INFO [stderr]    |
Dec 14 06:58:41.130 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 14 06:58:41.131 INFO [stderr]    |             ----^^^^^
Dec 14 06:58:41.131 INFO [stderr]    |             |
Dec 14 06:58:41.131 INFO [stderr]    |             help: remove this `mut`
Dec 14 06:58:41.131 INFO [stderr]    |
Dec 14 06:58:41.131 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 06:58:41.135 INFO [stderr] 
Dec 14 06:58:42.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.48s
Dec 14 06:58:42.390 INFO [stderr] su: No module specific data is present
Dec 14 06:58:43.439 INFO running `"docker" "inspect" "a1ffbfe1eb15fcf1128080ebbd6f5ea6042e38133e5b30d106e11fede3abe5d3"`
Dec 14 06:58:43.636 INFO running `"docker" "rm" "-f" "a1ffbfe1eb15fcf1128080ebbd6f5ea6042e38133e5b30d106e11fede3abe5d3"`
Dec 14 06:58:44.018 INFO [stdout] a1ffbfe1eb15fcf1128080ebbd6f5ea6042e38133e5b30d106e11fede3abe5d3
Dec 14 06:58:44.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:58:44.700 INFO [stdout] f7a24492091c3fb24f3b529d31254692930dd77de06bf4518c19069359908abf
Dec 14 06:58:44.702 INFO running `"docker" "start" "-a" "f7a24492091c3fb24f3b529d31254692930dd77de06bf4518c19069359908abf"`
Dec 14 06:58:47.047 INFO [stderr] usermod: no changes
Dec 14 06:58:47.207 INFO [stderr]    Compiling blockchain1 v0.1.0 (/source)
Dec 14 06:58:49.077 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 06:58:49.077 INFO [stderr]  --> src/lib.rs:5:1
Dec 14 06:58:49.078 INFO [stderr]   |
Dec 14 06:58:49.078 INFO [stderr] 5 | #[macro_use]
Dec 14 06:58:49.078 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 06:58:49.079 INFO [stderr]   |
Dec 14 06:58:49.079 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:58:49.079 INFO [stderr] 
Dec 14 06:58:49.080 INFO [stderr] warning: unused import: `seek`
Dec 14 06:58:49.080 INFO [stderr]  --> src/mining.rs:1:5
Dec 14 06:58:49.080 INFO [stderr]   |
Dec 14 06:58:49.080 INFO [stderr] 1 | use seek;
Dec 14 06:58:49.080 INFO [stderr]   |     ^^^^
Dec 14 06:58:49.080 INFO [stderr] 
Dec 14 06:58:49.139 INFO [stderr] warning: unused import: `openssl::sha`
Dec 14 06:58:49.139 INFO [stderr]  --> src/new_block.rs:2:5
Dec 14 06:58:49.139 INFO [stderr]   |
Dec 14 06:58:49.139 INFO [stderr] 2 | use openssl::sha;
Dec 14 06:58:49.139 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 06:58:49.139 INFO [stderr]   |
Dec 14 06:58:49.139 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:58:49.139 INFO [stderr] 
Dec 14 06:58:49.139 INFO [stderr] warning: unused import: `hex`
Dec 14 06:58:49.139 INFO [stderr]  --> src/new_block.rs:3:5
Dec 14 06:58:49.139 INFO [stderr]   |
Dec 14 06:58:49.139 INFO [stderr] 3 | use hex;
Dec 14 06:58:49.139 INFO [stderr]   |     ^^^
Dec 14 06:58:49.139 INFO [stderr] 
Dec 14 06:58:49.143 INFO [stderr] warning: unused import: `std::error::Error`
Dec 14 06:58:49.143 INFO [stderr]  --> src/validator.rs:1:5
Dec 14 06:58:49.143 INFO [stderr]   |
Dec 14 06:58:49.143 INFO [stderr] 1 | use std::error::Error;
Dec 14 06:58:49.143 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 06:58:49.143 INFO [stderr] 
Dec 14 06:58:49.143 INFO [stderr] warning: unused import: `std::ptr::null`
Dec 14 06:58:49.143 INFO [stderr]  --> src/validator.rs:4:5
Dec 14 06:58:49.143 INFO [stderr]   |
Dec 14 06:58:49.143 INFO [stderr] 4 | use std::ptr::null;
Dec 14 06:58:49.143 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 14 06:58:49.143 INFO [stderr] 
Dec 14 06:58:49.143 INFO [stderr] warning: unused import: `seek`
Dec 14 06:58:49.143 INFO [stderr]  --> src/mining.rs:1:5
Dec 14 06:58:49.143 INFO [stderr]   |
Dec 14 06:58:49.143 INFO [stderr] 1 | use seek;
Dec 14 06:58:49.143 INFO [stderr]   |     ^^^^
Dec 14 06:58:49.143 INFO [stderr] 
Dec 14 06:58:49.219 INFO [stderr] warning: function is never used: `find_last_block_hash`
Dec 14 06:58:49.219 INFO [stderr]  --> src/seek.rs:4:1
Dec 14 06:58:49.219 INFO [stderr]   |
Dec 14 06:58:49.219 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Dec 14 06:58:49.219 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:58:49.219 INFO [stderr]   |
Dec 14 06:58:49.219 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 06:58:49.219 INFO [stderr] 
Dec 14 06:58:49.219 INFO [stderr] warning: function is never used: `find_last_block_id`
Dec 14 06:58:49.219 INFO [stderr]   --> src/seek.rs:28:1
Dec 14 06:58:49.219 INFO [stderr]    |
Dec 14 06:58:49.219 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Dec 14 06:58:49.219 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:58:49.219 INFO [stderr] 
Dec 14 06:58:49.219 INFO [stderr] warning: function is never used: `last_block`
Dec 14 06:58:49.219 INFO [stderr]  --> src/mining.rs:5:1
Dec 14 06:58:49.219 INFO [stderr]   |
Dec 14 06:58:49.219 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Dec 14 06:58:49.219 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:58:49.219 INFO [stderr] 
Dec 14 06:58:49.359 INFO [stderr] warning: unused variable: `nonce`
Dec 14 06:58:49.359 INFO [stderr]   --> src/new_block.rs:18:17
Dec 14 06:58:49.359 INFO [stderr]    |
Dec 14 06:58:49.359 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 14 06:58:49.359 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Dec 14 06:58:49.359 INFO [stderr]    |
Dec 14 06:58:49.359 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:58:49.359 INFO [stderr] 
Dec 14 06:58:49.359 INFO [stderr] warning: value assigned to `this_record` is never read
Dec 14 06:58:49.359 INFO [stderr]  --> src/validator.rs:9:13
Dec 14 06:58:49.359 INFO [stderr]   |
Dec 14 06:58:49.359 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Dec 14 06:58:49.359 INFO [stderr]   |             ^^^^^^^^^^^
Dec 14 06:58:49.359 INFO [stderr]   |
Dec 14 06:58:49.359 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 14 06:58:49.359 INFO [stderr] 
Dec 14 06:58:49.383 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:58:49.383 INFO [stderr]   --> src/new_block.rs:18:13
Dec 14 06:58:49.383 INFO [stderr]    |
Dec 14 06:58:49.383 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 14 06:58:49.383 INFO [stderr]    |             ----^^^^^
Dec 14 06:58:49.383 INFO [stderr]    |             |
Dec 14 06:58:49.383 INFO [stderr]    |             help: remove this `mut`
Dec 14 06:58:49.383 INFO [stderr]    |
Dec 14 06:58:49.383 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 06:58:49.383 INFO [stderr] 
Dec 14 06:58:49.918 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
Dec 14 06:58:49.927 INFO [stderr] su: No module specific data is present
Dec 14 06:58:51.098 INFO running `"docker" "inspect" "f7a24492091c3fb24f3b529d31254692930dd77de06bf4518c19069359908abf"`
Dec 14 06:58:51.399 INFO running `"docker" "rm" "-f" "f7a24492091c3fb24f3b529d31254692930dd77de06bf4518c19069359908abf"`
Dec 14 06:58:51.699 INFO [stdout] f7a24492091c3fb24f3b529d31254692930dd77de06bf4518c19069359908abf
Dec 14 06:58:51.707 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:58:52.305 INFO [stdout] 1c476a451f528da7ff4417f20a1d631b7655b54fd79a4a2aa4fb69155ea2f67e
Dec 14 06:58:52.308 INFO running `"docker" "start" "-a" "1c476a451f528da7ff4417f20a1d631b7655b54fd79a4a2aa4fb69155ea2f67e"`
Dec 14 06:58:53.603 INFO [stderr] usermod: no changes
Dec 14 06:58:53.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
Dec 14 06:58:53.796 INFO [stderr]      Running /target/debug/deps/blockchain1-757a87fe6ef19578
Dec 14 06:58:53.802 INFO [stdout] 
Dec 14 06:58:53.802 INFO [stdout] running 0 tests
Dec 14 06:58:53.802 INFO [stdout] 
Dec 14 06:58:53.802 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:58:53.802 INFO [stdout] 
Dec 14 06:58:53.804 INFO [stderr]      Running /target/debug/deps/blockchain1-873623e2e80f09e6
Dec 14 06:58:53.807 INFO [stdout] 
Dec 14 06:58:53.807 INFO [stdout] running 0 tests
Dec 14 06:58:53.807 INFO [stdout] 
Dec 14 06:58:53.807 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:58:53.807 INFO [stdout] 
Dec 14 06:58:53.808 INFO [stderr]    Doc-tests blockchain1
Dec 14 06:58:55.368 INFO [stdout] 
Dec 14 06:58:55.368 INFO [stdout] running 0 tests
Dec 14 06:58:55.368 INFO [stdout] 
Dec 14 06:58:55.368 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:58:55.368 INFO [stdout] 
Dec 14 06:58:55.387 INFO [stderr] su: No module specific data is present
Dec 14 06:58:56.841 INFO running `"docker" "inspect" "1c476a451f528da7ff4417f20a1d631b7655b54fd79a4a2aa4fb69155ea2f67e"`
Dec 14 06:58:57.116 INFO running `"docker" "rm" "-f" "1c476a451f528da7ff4417f20a1d631b7655b54fd79a4a2aa4fb69155ea2f67e"`
Dec 14 06:58:57.439 INFO [stdout] 1c476a451f528da7ff4417f20a1d631b7655b54fd79a4a2aa4fb69155ea2f67e